Logo Recent Earthquakes in Central US

== PRELIMINARY EARTHQUAKE REPORT ==
Cooperative New Madrid Seismic Network

Version #A: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:59:44 AM (CDT) on Sunday, April 20, 2008 .
The magnitude 1.3 event occurred 9 km (5 miles) NW of Mount Carmel, IL .
The hypocentral depth is 14 km ( 8 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Sunday, April 20, 2008 at 4:59:44 AM (CDT)
Sunday, April 20, 2008 at 9:59:44 (UTC)
Distance from Mount Carmel, IL - 9 km (5 miles) NW (309 degrees)
Bellmont, IL - 10 km (7 miles) NE (36 degrees)
Keensburg, IL - 12 km (8 miles) NNE (12 degrees)
Evansville, IN - 59 km (37 miles) NNW (335 degrees)
Coordinates 38 deg. 27.6 min. N (38.460N), 87 deg. 50.4 min. W ( 87.840W)
Depth 13.7 km (8.5 miles)
Quality Fair
Location Quality Parameters Nst= 6, Nph= 11, Dmin=6.2 km, Rmss=0.22 sec, Erho=2.3 km, Erzz=3.1 km, Gp=136.8 degrees
Event ID# nmhwb0420e
Additional Information map

For more information, see http://folkworm.ceri.memphis.edu/

[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]
[ Data Sources || Contacts ]